summaryrefslogtreecommitdiffstats
path: root/vendor/toml/src/table.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:41:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:41:41 +0000
commit10ee2acdd26a7f1298c6f6d6b7af9b469fe29b87 (patch)
treebdffd5d80c26cf4a7a518281a204be1ace85b4c1 /vendor/toml/src/table.rs
parentReleasing progress-linux version 1.70.0+dfsg1-9~progress7.99u1. (diff)
downloadrustc-10ee2acdd26a7f1298c6f6d6b7af9b469fe29b87.tar.xz
rustc-10ee2acdd26a7f1298c6f6d6b7af9b469fe29b87.zip
Merging upstream version 1.70.0+dfsg2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/toml/src/table.rs')
-rw-r--r--vendor/toml/src/table.rs114
1 files changed, 114 insertions, 0 deletions
diff --git a/vendor/toml/src/table.rs b/vendor/toml/src/table.rs
new file mode 100644
index 000000000..a2d392bde
--- /dev/null
+++ b/vendor/toml/src/table.rs
@@ -0,0 +1,114 @@
+use std::fmt;
+
+use serde::de;
+use serde::ser;
+
+use crate::map::Map;
+use crate::Value;
+
+/// Type representing a TOML table, payload of the `Value::Table` variant.
+/// By default it is backed by a BTreeMap, enable the `preserve_order` feature
+/// to use a LinkedHashMap instead.
+pub type Table = Map<String, Value>;
+
+impl Table {
+ /// Convert a `T` into `toml::Table`.
+ ///
+ /// This conversion can fail if `T`'s implementation of `Serialize` decides to
+ /// fail, or if `T` contains a map with non-string keys.
+ pub fn try_from<T>(value: T) -> Result<Self, crate::ser::Error>
+ where
+ T: ser::Serialize,
+ {
+ value.serialize(crate::value::TableSerializer)
+ }
+
+ /// Interpret a `toml::Table` as an instance of type `T`.
+ ///
+ /// This conversion can fail if the structure of the `Table` does not match the structure
+ /// expected by `T`, for example if `T` is a bool which can't be mapped to a `Table`. It can
+ /// also fail if the structure is correct but `T`'s implementation of `Deserialize` decides
+ /// that something is wrong with the data, for example required struct fields are missing from
+ /// the TOML map or some number is too big to fit in the expected primitive type.
+ pub fn try_into<'de, T>(self) -> Result<T, crate::de::Error>
+ where
+ T: de::Deserialize<'de>,
+ {
+ de::Deserialize::deserialize(self)
+ }
+}
+
+#[cfg(feature = "display")]
+impl fmt::Display for Table {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ crate::ser::to_string(self)
+ .expect("Unable to represent value as string")
+ .fmt(f)
+ }
+}
+
+#[cfg(feature = "parse")]
+impl std::str::FromStr for Table {
+ type Err = crate::de::Error;
+ fn from_str(s: &str) -> Result<Self, Self::Err> {
+ crate::from_str(s)
+ }
+}
+
+impl<'de> de::Deserializer<'de> for Table {
+ type Error = crate::de::Error;
+
+ fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, crate::de::Error>
+ where
+ V: de::Visitor<'de>,
+ {
+ Value::Table(self).deserialize_any(visitor)
+ }
+
+ #[inline]
+ fn deserialize_enum<V>(
+ self,
+ name: &'static str,
+ variants: &'static [&'static str],
+ visitor: V,
+ ) -> Result<V::Value, crate::de::Error>
+ where
+ V: de::Visitor<'de>,
+ {
+ Value::Table(self).deserialize_enum(name, variants, visitor)
+ }
+
+ // `None` is interpreted as a missing field so be sure to implement `Some`
+ // as a present field.
+ fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, crate::de::Error>
+ where
+ V: de::Visitor<'de>,
+ {
+ Value::Table(self).deserialize_option(visitor)
+ }
+
+ fn deserialize_newtype_struct<V>(
+ self,
+ name: &'static str,
+ visitor: V,
+ ) -> Result<V::Value, crate::de::Error>
+ where
+ V: de::Visitor<'de>,
+ {
+ Value::Table(self).deserialize_newtype_struct(name, visitor)
+ }
+
+ serde::forward_to_deserialize_any! {
+ bool u8 u16 u32 u64 i8 i16 i32 i64 f32 f64 char str string unit seq
+ bytes byte_buf map unit_struct tuple_struct struct
+ tuple ignored_any identifier
+ }
+}
+
+impl<'de> de::IntoDeserializer<'de, crate::de::Error> for Table {
+ type Deserializer = Self;
+
+ fn into_deserializer(self) -> Self {
+ self
+ }
+}